Is this vulnerability remotely exploitable?

Yes, it can be remotely exploitable if an attacker can establish or influence a TrustTunnel connection and specify the TCP destination. In that case, they may coerce the server into connecting to internal IP addresses that should be off-limits.

What level of access does an attacker need to exploit this issue?

The attacker needs the ability to control or inject the destination endpoint used by the TCP forwarder—typically as an authenticated or permitted TrustTunnel client, or through any upstream system that passes user-controlled destinations into TrustTunnel.

What is the safest general fix pattern?

The safest pattern is to centralize outbound connection creation behind a single function that performs strict validation of all destinations—whether hostnames or raw IP addresses—against a clearly defined policy, and then ensure all forwarding logic uses this function.

Severity:

HIGH RISK

(7.1)

Server-Side Request Forgery (CWE-918) via Numeric IP Bypass in TrustTunnel TCP Forwarder

CVE-2026-24902

Published:

Jan 29, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access / SSRF-based Pivoting

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access / SSRF-based Pivoting

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Ask AI for summary of CodeAnt

Server-Side Request Forgery (CWE-918) via Numeric IP Bypass in TrustTunnel TCP Forwarder

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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